04. Atom, Unsur, Molekul (Part 2)

04. Atom, Unsur, Molekul (Part 2)

1st Grade

40 Qs

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04. Atom, Unsur, Molekul (Part 2)

04. Atom, Unsur, Molekul (Part 2)

Assessment

Quiz

Chemistry

1st Grade

Practice Problem

Medium

Created by

haris a.

Used 9+ times

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Di alam magnesium tersusun atas 78,99% 24Mg (massa atom, 23,9850 u), 10,00% 25Mg (massa atom, 24,9858 u), dan 11,01% 26Mg (massa atom, 25,9826 u). Dengan data tersebut hitunglah massa atom rata-rata dari magnesium.

24,3050

23,3050

25,3050

26,3050

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Berapa jumlah proton, neutron, dan elektron pada  unsur di atas?

6 proton, 8  neutron, 6 elektron

8 proton, 6  neutron, 6 elektron

6 proton, 6  neutron, 8 elektron

6 proton, 6  neutron, 6 elektron

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

Berapa jumlah proton, neutron, dan elektron pada unsur di atas ?

6 proton, 5 neutron, 6 elektron

5 proton, 6 neutron, 6 elektron

6 proton, 6 neutron, 5 elektron

6 proton, 6 neutron, 11 elektron

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Tabel Periodik merangkum sifat fisika dan kimia senyawa - senyawa.

Benar

Salah

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Pada awalnya tabel periodik disusun berdasar kenaikan massa senyawa.

Benar

Salah

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Pada Tabel Periodik Modern, Unsur tersusun dalam urutan dalam satu baris horisontal disebut golongan.

Benar

Salah

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Pada Tabel Periodik Modern, Kolom vertikal disebut dengan periode.

Benar

Salah

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